Cepalco (138 Kv Live Tank Pcb) (2)

8/10/2019 Cepalco (138 Kv Live Tank Pcb) (2)

1/18

POWER CIRCUIT BREAKER - CEPALCO SUBSTATIONTechnical Data Sheet

PCB-1

B.1B.1.1

a.Line, transformer and

capacitor

b. No

c. No

B.1.2

a. 138

b. 145

c. Rated Voltage range factor 1d. Rated Insulation Level

1. 2752. 650

e. Rated continuous current at System Frequency, A rms 3,150f. Rated Short Time Withstand Current, kA rms 40

g. Rated Interrupting Time, milliseconds (ms)h. Maximum Permissible Tripping Time Delay, sec. 1i. Rated closing and latching current, kA peak 40 (108)

j. Reclosing Duty Cycle O-0.3s CO-3min COk.

1. Voltage/Impedance By Contractor2. Cut-off Current By Contractor

I. Minimum Dead Time to insure that closing time is not too short By Contractorm. Rated System Frequency, Hz. 60

EVALUATION OF 138kV POWER CIRCUIT BREAKER

Description Design Requirements

Lightning Impulse Withstand Voltage, kV, (peak value)Short-duration Power Frequency Withstand Voltage, 1 min. dry, kV rms

Maximum Permissible Tripping current

Technical Characteristics and RequirementsApplication

Breaker Application (general purpose, definite purposes)

Individual pole operation (open and close):

Independent pole tripping

Circuit Breaker Electrical Characteristics

Nominal System Voltage, kV

Rated Maximum Voltage, kV

CONFORMEName of BidderName SIgnature of Bidder's RepresentativeDesignation

_______________________________________________ _______________________________________________ _______________________________________________


2/18


PCB-2


B.1.3a. Location (specify indoor, outdoor) outdoor

b. Three pole tank

c. Number of Interrupting Modules/Pole 1d. Medium of Interrupting SF6e. Interrupting Module (specify Live tank or Dead tank) Dead tank

f. Individual foundation

g. Phase Spacing between centerline of single phase tanks, mm 3000h. Phase Spacing between tops of bushings (if provided in common enclosures) By Contractor

i. By Contractor

B.1.4a. Rated Maximum Voltage, kV 138b. Creepage length, mmc. Color Brown

d. Maximum cantilever strengh, kg By contractore. Must be suitable for live line washing (Yes, No) Yesf. Internal bushing insulation SF6 gas

B.1.5a. Operating mechanism Motor-Spring Charged

b. Motor Operating mechanism voltage (AC, DC) 230 Vac, 1, 60Hz

c. Closing coil voltage (AC, DC) 125 Vdcd. Tripping Mechanism

1. Number of trip coils (circuits) per polea. 138kV

2 electrically independenttrip coils

b. 69kV2 electrically independent

trip coils

e. 125 V dc

f. 12A, 12B

g. NoThe operating mechanism shall be engineered for single pole closing and tripping

Tripping Mechanism Voltage, Vdc

Operating Mechanism and Auxiliaries

Bushing Characteristics

Circuit Breaker Physical Characteristics

Minimum distance between tops of bushings of same pole (if dead tank breakers aresupplied)

Number of additional converitble auxiliary contacts above those normally required forcircuit breaker operation

Mounting on: (specify individual foundation, common foundation, frame)

Enclosures (specify single pole tank, three-pole tank)


_______________________________________________ _______________________________________________ _______________________________________________


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PCB-3


h. N/AThe breakers if engineered for single pole actuation shall be provided with phasediscrepancy monitoring and control system for synchronized operation of individual pole(closing and opening )


_______________________________________________ _______________________________________________ _______________________________________________


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PCB-4


i.

1. If closed, shall bePT - Prevented from TrippingTA - Trip Automatically

2. If open, shall bePC - Prevented from closingCA - Close Automatically

B.1.6

a. Yes

b. Yes

c. No. of cores per PCB bushing turret 3

B.1.7

a. Yesb. Yesc. Operations Counter Yes

d. Yes

e. Refer to bid drawing

f.

>125 mm 2 PVC insulated

tin-annealed stranded Cuconductor PVC Insulated

g. Required no. of ground terminal connectors on the structure of the breaker:1. If mounted on individual structure 12. If mounted on common structure 2

B.1.8B.1.8.1 DPDT

125 Vdc

B.1.9 Maintenance

Type and size of ground terminal connectors to be furnished by the Contractor for thecircuit breaker shall be suitable for (specify size fo conductor)

electrically independent contacts to be used on (volts dc) control system to open or close 0.1amperes inductive circuit

If dead tank type circuit breakers are to be supplied, bushing type current transformersare to be provided on each bushing turret

For compressed gas or air blast circuit breakers, on decrease of gas pressure belowminimum value of the circuit breaker

PT

Type and size of Line terminal connectors to be furnished by Contractor on the terminalsof circuit breaker shall be suitable for (specify size/ampacity of conductor and no. ofconductors)

Current Transformer (CT)

Miscellaneous Accessories

Breaker Position Indicator (both mechanical & light)Manual Closing Device

If required, they shall be as mentioned in the specifications for current transformer ofSection 6

Cable duct from the control cubicle down to cable trench to be provided by contractor

PC

Alarm DevicesAll alarm indicating devices shall have (spdt, dpdt)


_______________________________________________ _______________________________________________ _______________________________________________


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PCB-5


a.

In accordance with theoperating endurancecapabilities for circuit

breakers

b. Leakage rate of SF6 per year, % < 1 for all types of breakers

B.2B.2.1

a. Yes, previous designYes

b. Design test and reports required (Yes, No) Yes

c. Yes

d. Not acceptablee. 60Hz

f. Factory Acceptance Tests (Routine) to be witnessed by Owner's Representative (s) Yes

g. Required no. of personnel to witness Factory Acceptance Tests 3

B.2.2a.b.c.d.e.

Minimum permissible number of interruptions before any contact check or mechanicalcheck with opening of gas compartment is necessary:

Standard Field Test Requirement during CommissioningInsulation Resistance TestStatic Contact Resistance TestTiming AnalysisInsulation Powr Factor Test

Test and Test Report(s) RequirementsNormal Test

Test frequency requirement (Power)Test reports of licenser instead of contractor's manufacturer is:

Is breaker design new or previous design with substantial changes in design and/or rating(yes, no)Note: If yes, certified design tests and reports are required

Certified test design reports of prototype or duplicate production type are acceptable(Yes, No)

SF6 Gas Analysis


_______________________________________________ _______________________________________________ _______________________________________________


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PCB-6


B.3B.3.1

a. Dehumidifier for the control cubicle, Vac 230 Vac, 1, 60 Hzb. Internal lights and convenience outlets 230 Vac, 1, 60 Hzc. Motors 230 Vac, 1, 60 Hzd. Controls 125 Vdc, +10%, -15%e. Indicating lights for position indicator operating mechanism 125 Vdc, +10%, -15%

B.4B.4.1

a. 138kV1. Set(s) of tripping coils for the circuit breaker 12. Set(s) of closing coils for the circuit breaker 13. Set(s) of pole discrepancy relay 14. Set(s) of indicating bulb 15. Set(s) of motor for the operating mechanism 1

B.4.2

B.4.3

B.5

B.5.1

1. 1 set

a. SF6 gas filling deviceb. SF6 gas recovery and drying devicec. SF6 gas testing set for leakage, humidity O 2 content and SO 2 gas analysisd. SF6 gas temperature measuring devicee. Measuring device for SF6 density

B.6

C.

Auxiliary Power Supply

Spares and Spares Parts

Tools

All spare parts shall be interchangeable with and identical in all respect to the original parts.

All breakers of the same rating and type and all its components shall be fully intechangeable.

The items listed below shall be designed to receive the following auxiliary voltage source.

The following parts aside from those Manufacturer's recommended spare parts shall be furnished for each applicablesubstation:

All operating mechanism with manual operation facility shall be positioned/arranged in suchmanner that it could be operated from the ground level whenever possible. Otherwise, theContractor is required to provide suitable operating flat form of ladder.Furthermore, the design and construction of the switchgear must allow readily replacementof parts with minimum interruption to the module and adjacent bays.Other Technical Data to Be Filled-in by Contractor

Set(s) of SF6 handling equipment composing of but not limited to the following:

In addition to those tools and devices recommended by the Manufacturer for the circuitbreaker, the following tools and devices shall be supplied each for substation.

The Power Circuit Breaker (PCB) shall be configured as shown in the Single Line Diagram (SLD).Other Techinical Requirements for the Circuit Breaker

The Contractor shall design the optimum arrangement of the switchgear which will suit theavailable space for the proposed switchyards.


_______________________________________________ _______________________________________________ _______________________________________________


7/18


PCB-7


C.1

C.2C.2.1

The contractor furnished data and information are included in this specification to indicatethe guaranteed performance, interface requirements and construction features of allContractor furnished equipement. The accuracy and the compatibility of such informationwith overall performance requirements specified by Employer are the sole responsibility ofthe Contractor.

Environmental Considerations

In accordance with Paragraph 2.8 of the General Technical Requirements and the TechnicalData Sheets of Section 2, the operating environment for this installation (will, will not) affectthe life expectancey of the components used in this equipements. if there will be an effect,the following components will be affected as follows:

Component Effect _______________________________ ______________________________

_______________________________ ______________________________

_______________________________ ______________________________


_______________________________________________ _______________________________________________ _______________________________________________


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PCB-8


C.3

Contractor's Data

1.

2.

3.

4.

a.b.c.d.

5.a.b.c.

d.e.

6.

a.

b.

7.a.b.

c.

Other Technical Data for Power Circuit Breaker

Country of Origin

Manufacturer

Control Circuit

Type and Designation

Breaker Operating Time (in ms) for Rated Control Voltage and Pressure

Closing voltage range, VMaximum closing current, ATripping voltage range, VMaximum tripping current, A

Opening time from energization of trip coil to contact parting

Pressure at 20C of interrupting medium

Gas SystemSF6 Gas shipment method in breaker or separate; (Yes, No)If Yes, no. of containers, each

Weight per container, kg

Arcing timeBreak time

Close open timeClosing time

Gas Pressures

Pressure at 20C of insulating medium


_______________________________________________ _______________________________________________ _______________________________________________


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PCB-9


d.e.f.g. Guaranteed maximum SF6 gas leakage rate in kg/yrh. No. of gas monitoring systems included with the equipment

i. In-service life of gaskets, years

j. Storage shelf life of gaskets, years

8. Maximum Foundation Loading during Operationa. For horizontal breakers, Nb. For vertical breakers, N

9. Motor Capacitya. Typeb. Horsepower, hpc. Current, start/run

Gas per container, kgTotal quantity of SF6 gas to be supplied with the original equipment, kgTotal quantity of SF6 gas required per breaker, kg


_______________________________________________ _______________________________________________ _______________________________________________


10/18


PCB-10

B.1B.1.1

a.Line, transformer and

capacitor

b. No

c. No

B.1.2

a. 69

b. 72.5

c. Rated Voltage range factor 1d. Rated Insulation Level

1. 1402. 325

e. Rated continuous current at System Frequency, A rms 3,150f. Rated Short Time Withstand Current, kA rms 40g. Rated Interrupting Time, milliseconds (ms)h. Maximum Permissible Tripping Time Delay, sec. 2i. Rated closing and latching current, kA peak 40

j. Reclosing Duty Cycle O-0.3s CO-3min COk.

1. Voltage/Impedance By Contractor2. Cut-off Current By Contractor

I. Minimum Dead Time to insure that closing time is not too short By Contractorm. Rated System Frequency, Hz. 60

EVALUATION OF 69kV POWER CIRCUIT BREAKER


Short-duration Power Frequency Withstand Voltage, 1 min. dry, kV rms

Circuit Breaker Electrical Characteristics

Nominal System Voltage, kV

Rated Maximum Voltage, kV

Technical Characteristics and RequirementsApplication

Breaker Application (general purpose, definite purposes)

Individual pole operation (open and close):

Independent pole tripping

Lightning Impulse Withstand Voltage, kV, (peak value)

Maximum Permissible Tripping current


_______________________________________________ _______________________________________________ _______________________________________________


11/18


PCB-11


B.1.3a. Location (specify indoor, outdoor) outdoor

b. Three pole tank

c. Number of Interrupting Modules/Pole 1d. Medium of Interrupting SF6e. Interrupting Module (specify Live tank or Dead tank) Dead tank

f. Individual foundation

g. Phase Spacing between centerline of single phase tanks, mm N/Ah. Phase Spacing between tops of bushings (if provided in common enclosures) By Contractor

i. By Contractor

B.1.4a. Rated Maximum Voltage, kV 72.5b. Creepage length, mm 2247.5c. Color Brownd. Maximum cantilever strengh, kg By Contractore. Must be suitable for live line washing (Yes, No) Yesf. Internal bushing insulation SF6 gas

B.1.5a. Operating mechanism Motor-Spring Charged

b. Motor Operating mechanism voltage (AC, DC) 230 Vac, 1, 60Hz

c. Closing coil voltage (AC, DC) 125 Vdcd. Tripping Mechanism

1. Number of trip coils (circuits) per pole

a. 138kV2 electrically independent

trip coils

b. 69kV2 electrically independent

trip coils

e. 125 Vdc

f. 12A, 12B

g. No

Operating Mechanism and Auxiliaries

Tripping Mechanism Voltage, Vdc

Number of additional converitble auxiliary contacts above those normally required for circuitbreaker operation

The operating mechanism shall be engineered for single pole closing and tripping

Circuit Breaker Physical Characteristics

Enclosures (specify single pole tank, three-pole tank)

Mounting on: (specify individual foundation, common foundation, frame)

Minimum distance between tops of bushings of same pole (if dead tank breakers aresupplied)

Bushing Characteristics


_______________________________________________ _______________________________________________ _______________________________________________


12/18


PCB-12


h. N/AThe breakers if engineered for single pole actuation shall be provided with phasediscrepancy monitoring and control system for synchronized operation of individual pole(closing and opening )


_______________________________________________ _______________________________________________ _______________________________________________


13/18


PCB-13


i.

1. If closed, shall bePT - Prevented from TrippingTA - Trip Automatically

2. If open, shall bePC - Prevented from closingCA - Close Automatically

B.1.6

a. Yes

b. Yes

c. No. of cores per PCB bushing turret Three (3)

B.1.7

a. Yesb. Yesc. Operations Counter Yes

d. Yes

e.

f.>125 mm 2 PVC insulatedtin-annealed stranded Cuconductor PVC Insulated

g. Required no. of ground terminal connectors on the structure of the breaker:1. If mounted on individual structure 12. If mounted on common structure 2

B.1.8B.1.8.1 DPDT

125 Vdc

B.1.9 d Maintenance

Cable duct from the control cubicle down to cable trench to be provided by contractor

Type and size of Line terminal connectors to be furnished by Contractor on the terminals ofcircuit breaker shall be suitable for (specify size/ampacity of conductor and no. ofconductors)

Type and size of ground terminal connectors to be furnished by the Contractor for the circuit

breaker shall be suitable for (specify size fo conductor)

Alarm DevicesAll alarm indicating devices shall have (spdt, dpdt)electrically independent contacts to be used on (volts dc) control system to open or close 0.1amperes inductive circuit

Current Transformer (CT)

If dead tank type circuit breakers are to be supplied, bushing type current transformers areto be provided on each bushing turretIf required, they shall be as mentioned in the specifications for current transformer ofSection 6

Miscellaneous Accessories

Breaker Position Indicator (both mechanical & light)Manual Closing Device

PT

PC

For compressed gas or air blast circuit breakers, on decrease of gas pressure below minimumvalue of the circuit breaker


_______________________________________________ _______________________________________________ _______________________________________________


14/18


PCB-14


a.

In accordance with theoperating endurancecapabilities for circuit

breakers

b. Leakage rate of SF6 per year, % < 1 for all types of breakers

B.2B.2.1

a. Yes

b. Design test and reports required (Yes, No) Yes

c. Yes

d. Not acceptablee. 60Hz

f. Factory Acceptance Tests (Routine) to be witnessed by Owner's Representative (s) Yes

g. Required no. of personnel to witness Factory Acceptance Tests Two (2)

B.2.2a.b.c.d.e.

Insulation Powr Factor TestSF6 Gas Analysis

Test reports of licenser instead of contractor's manufacturer is:Test frequency requirement (Power)

Standard Field Test Requirement during CommissioningInsulation Resistance TestStatic Contact Resistance TestTiming Analysis

Minimum permissible number of interruptions before any contact check or mechanicalcheck with opening of gas compartment is necessary:

Test and Test Report(s) RequirementsNormal Test

Is breaker design new or previous design with substantial changes in design and/or rating

(yes, no)Note: If yes, certified design tests and reports are required

Certified test design reports of prototype or duplicate production type are acceptable (Yes,No)


_______________________________________________ _______________________________________________ _______________________________________________


15/18


PCB-15


B.3B.3.1

a. Dehumidifier for the control cubicle, Vac 230 Vac, 1, 60 Hzb. Internal lights and convenience outlets 230 Vac, 1, 60 Hzc. Motors 230 Vac, 1, 60 Hzd. Controls 125 Vdc, +10%, -15%e. Indicating lights for position indicator operating mechanism 125 Vdc, +10%, -15%

B.4

B.4.1

a. 138kV1. Set(s) of tripping coils for the circuit breaker 12. Set(s) of closing coils for the circuit breaker 13. Set(s) of pole discrepancy relay 14. Set(s) of indicating bulb 15. Set(s) of motor for the operating mechanism 1 for each type used

B.4.2

B.4.3

B.5

B.5.1

1. 1 set

a. SF6 gas filling deviceb. SF6 gas recovery and drying device

c. SF6 gas testing set for leakage, humidity O 2 content and SO 2 gas analysisd. SF6 gas temperature measuring devicee. Measuring device for SF6 density

B.6

C.

Other Techinical Requirements for the Circuit BreakerThe Power Circuit Breaker (PCB) shall be configured as shown in the Single Line Diagram (SLD).The Contractor shall design the optimum arrangement of the switchgear which will suit theavailable space for the proposed switchyards.All operating mechanism with manual operation facility shall be positioned/arranged in suchmanner that it could be operated from the ground level whenever possible. Otherwise, theContractor is required to provide suitable operating flat form of ladder.

Furthermore, the design and construction of the switchgear must allow readily replacement ofparts with minimum interruption to the module and adjacent bays.Other Technical Data to Be Filled-in by Contractor

All spare parts shall be interchangeable with and identical in all respect to the original parts.

All breakers of the same rating and type and all its components shall be fully intechangeable.

Tools

In addition to those tools and devices recommended by the Manufacturer for the circuit breaker,the following tools and devices shall be supplied each for substation.

Set(s) of SF6 handling equipment composing of but not limited to the following:

Auxiliary Power Supply

The items listed below shall be designed to receive the following auxiliary voltage source.

Spares and Spares Parts

The following parts aside from those Manufacturer's recommended spare parts shall be furnished for each applicablesubstation:


_______________________________________________ _______________________________________________ _______________________________________________


16/18


PCB-16


C.1

C.2C.2.1

_______________________________ _______________________________

The contractor furnished data and information are included in this specification to indicate theguaranteed performance, interface requirements and construction features of all Contractorfurnished equipement. The accuracy and the compatibility of such information with overallperformance requirements specified by Employer are the sole responsibility of the Contractor.

Environmental Considerations

In accordance with Paragraph 2.8 of the General Technical Requirements and the Technical DataSheets of Section 2, the operating environment for this installation (will, will not) affect the life

expectancey of the components used in this equipements. if there will be an effect, the followingcomponents will be affected as follows:

Component Effect _______________________________ _______________________________

_______________________________ _______________________________


_______________________________________________ _______________________________________________ _______________________________________________


17/18


PCB-17


C.3

Contractor's Data

1.

2.

3.

4.

a.b.c.d.

5.a.b.c.d.e.

6.

a.

b.

7.a.b.

c.

Pressure at 20C of insulating medium

Gas SystemSF6 Gas shipment method in breaker or separate; (Yes, No)If Yes, no. of containers, each

Weight per container, kg

Arcing timeBreak timeClose open timeClosing time

Gas Pressures

Pressure at 20C of interrupting medium

Closing voltage range, VMaximum closing current, ATripping voltage range, VMaximum tripping current, A

Breaker Operating Time (in ms) for Rated Control Voltage and PressureOpening time from energization of trip coil to contact parting

Other Technical Data for Power Circuit Breaker

Country of Origin

Manufacturer

Type and Designation

Control Circuit


_______________________________________________ _______________________________________________ _______________________________________________


18/18


PCB-18


d.e.f.g. Guaranteed maximum SF6 gas leakage rate in kg/yrh. No. of gas monitoring systems included with the equipmenti. In-service life of gaskets, years j. Storage shelf life of gaskets, years

8. Maximum Foundation Loading during Operationa. For horizontal breakers, N

b. For vertical breakers, N9. Motor Capacity

a. Typeb. Horsepower, hpc. Current, start/run

Total quantity of SF6 gas to be supplied with the original equipment, kgTotal quantity of SF6 gas required per breaker, kg

Gas per container, kg


_______________________________________________ _______________________________________________ _______________________________________________

Cepalco (138 Kv Live Tank Pcb) (2)

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Transcript of Cepalco (138 Kv Live Tank Pcb) (2)